Robert Kubica will definitely be out of action during the first quarter of the calendar of this season's 20 races.
Previously, medical specialists had predicted a recovery of a year from multiple injuries of the Polish in rally accident warning athletes often heal much faster.
"At this time is difficult to predict," replied the Renault Eric Boullier team leader when asked about the recovery time for Kubica.
"He will not return in three months." "But say six months or more, would be purely speculative," added.
Boullier said that Kubica has been doing a "surprisingly and faster progress" this week, he can move his injured right hand fingers and pass through the operating theatre for a period of five hours on Friday so treat you the elbow and shoulder.
"He was asking for a GP2 and formula 1, joking of habit", said Boullier.
"He wants to know the results of the tests, so you will be given details of Jerez on Monday."
Boullier admits that Kubica convalescence is a "heavy blow" to Renault, but not promised to yield to pressure and avoid the pilots of the team participate in dangerous extra-curricular interests now.
"No, no we are changing," said French. "Robert is a runner, I am a runner." "If had banned you lead rally and karting, would not have been happy".
"The driver is the most useful when they feel comfortable with the team." Of course. "Up to the corner where he had his accident, Robert was a happy man," he added Boullier.
